1. How to use a Metric Ruler

2. Metric Ruler
There are 2 units that we are going to talk about when we are using a simple metric ruler: the centimeter (cm) and the millimeter (mm).

3. Metric Ruler cm 1
A centimeter is divided into ten equal pieces. Each piece is 1/10th of a cm. Each piece is called a mm.

4. Centimeter Ruler .1 .2 .3 .4 .6 .7 .8 .9 .5 cm 1

5. Centimeter Ruler .1 .2 .3 .4 .6 .7 .8 .9
1.1
1.2
1.3
1.4
1.6
1.7
1.8
1.9 cm .5
1.5 1 2

6. Larger Measurements
If I want to measure something larger, I would use a meterstick.
1 meter = 100 cm = 1,000 mm
Notice that the metric system is based on the number 10!

7. Give each measurement to the nearest tenth of a cm.1 2 3 4 5 1 2 3

8. Metric Measurement Quiz - Answers